| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] has [be] used [prep] | 24 |
|
| 2 | [Wh det] has be use [prep] | 24 |
|
| 3 | [Wh det] has been use [prep] | 24 |
|
| 4 | which has [be] use [prep] | 24 |
|
| 5 | [Wh det] has [been] use [prep] | 24 |
|
| 6 | [Wh det] has [be] use in | 8 |
|
| 7 | [Wh det] has [be] use for | 7 |
|
